mirror of https://github.com/morpheus65535/bazarr
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
import codecs
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import os
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def _verify_python_env():
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"""Ensures that the environment is good for Unicode."""
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try:
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import locale
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fs_enc = codecs.lookup(locale.getpreferredencoding()).name
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except Exception:
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fs_enc = "ascii"
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if fs_enc != "ascii":
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return
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extra = ""
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if os.name == "posix":
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import subprocess
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try:
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rv = subprocess.Popen(
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["locale", "-a"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
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).communicate()[0]
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except OSError:
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rv = b""
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good_locales = set()
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has_c_utf8 = False
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# Make sure we're operating on text here.
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if isinstance(rv, bytes):
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rv = rv.decode("ascii", "replace")
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for line in rv.splitlines():
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locale = line.strip()
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if locale.lower().endswith((".utf-8", ".utf8")):
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good_locales.add(locale)
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if locale.lower() in ("c.utf8", "c.utf-8"):
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has_c_utf8 = True
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extra += "\n\n"
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if not good_locales:
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extra += (
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"Additional information: on this system no suitable"
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" UTF-8 locales were discovered. This most likely"
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" requires resolving by reconfiguring the locale"
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" system."
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)
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elif has_c_utf8:
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extra += (
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"This system supports the C.UTF-8 locale which is"
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" recommended. You might be able to resolve your issue"
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" by exporting the following environment variables:\n\n"
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" export LC_ALL=C.UTF-8\n"
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" export LANG=C.UTF-8"
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)
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else:
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extra += (
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"This system lists some UTF-8 supporting locales that"
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" you can pick from. The following suitable locales"
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f" were discovered: {', '.join(sorted(good_locales))}"
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)
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bad_locale = None
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for locale in os.environ.get("LC_ALL"), os.environ.get("LANG"):
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if locale and locale.lower().endswith((".utf-8", ".utf8")):
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bad_locale = locale
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if locale is not None:
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break
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if bad_locale is not None:
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extra += (
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"\n\nClick discovered that you exported a UTF-8 locale"
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" but the locale system could not pick up from it"
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" because it does not exist. The exported locale is"
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f" {bad_locale!r} but it is not supported"
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)
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raise RuntimeError(
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"Click will abort further execution because Python was"
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" configured to use ASCII as encoding for the environment."
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" Consult https://click.palletsprojects.com/unicode-support/"
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f" for mitigation steps.{extra}"
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)
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